Howard McWilliam Books

If you could have any ocean animal's superpower, whose would you choose?What if you woke up one morning, and you suddenly had the superpower of an ocean animal? If you could shapeshift like a...

What If You Could Spy like a Narwhal

By Sandra Markle, Howard McWilliam

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Quels Dr les de Pieds

By Sandra Markle, Howard McWilliam

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Days of the knights

By Robert Neubecker

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"I'm Red the Time Dragon! I will be your guide to the Middle Ages! But we have to be careful. Dragons aren't exactly popular here."

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.